Home / 20,196.35-30,294.53-9,663.89

Finding the Fourth Proportional to 20,196.35, 30,294.53 and 9,663.89

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Solution

The fourth proportional to 20,196.35, 30,294.53 and 9,663.89 is: 14,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.35 : 30,294.53 = 9,663.89 : x
  2. Step 2: Convert to fraction form
    20,196.35/30,294.53 = 9,663.89/x
  3. Step 3: Cross multiply
    20,196.35x = 30,294.53 × 9,663.89
  4. Step 4: Simplify right side
    20,196.35x = 292,762,805.73
  5. Step 5: Solve for x
    x = 292,762,805.73/20,196.35
  6. Step 6: Final answer
    x = 14,495.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.